import Vue from "vue";
import VueRouter from "vue-router";
import Login from "../components/Login.vue";
import Home from "../components/Home.vue";
import Welcome from '../components/Welcome.vue'
import User from '../components/user/User.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'


Vue.use(VueRouter);

const router = new VueRouter({
  routes: [
    { path: "/", redirect: "/login" },
    {
      path: "/login",
      name: "login",
      component: Login,
    },
    {
      path: "/home",
      component: Home,
      redirect:'/welcome', //重定向
      children:[
        {
          path:'/welcome',
          component:Welcome
        },
        {
          path:'/users',
          component:User
        },
        {
          path:'/rights',
          component:Rights
        },
        {
          path:'/roles',
          component:Roles
        },
        {
          path:'/categories',
          component:Cate
        },
        {
          path:'/params',
          component:Params
        },
        {
          path:'/goods',
          component:List
        },
        {
          path:'/goods/add',
          component:Add
        },
        {
          path:'/orders',
          component:Order
        },
        {
          path:'/reports',
          component:Report
        }
      ]
    },
  ],
});

// 挂在路由导航守卫
router.beforeEach((to, from, next) => {
  // to将要访问的路径
  // from代表从哪个路径跳转
  // next 是应该函数，表示放行
  // next() 放行 netx("/login") 强制跳转

  if (to.path === "/login") return next();
  // 获取token
  const tokenStr = window.sessionStorage.getItem("token");
  // 如果没有token 就强制跳转到login页面
  if (!tokenStr) return next("/login");
  // 否则放行
  next();
});

export default router;
